Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.Optical Projection. Part 1: The Projection of Lantern Slides by Wright and WrightAuthor: Wright, Russell Stuart,Language: English, Class: Q: Science, Release Date: Oct 31, 2010